21 lines
717 B
Diff
21 lines
717 B
Diff
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2022-01-18 Jakub Jelinek <jakub@redhat.com>
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PR middle-end/104103
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* gimple-ssa-warn-access.cc (pass_waccess::check_call): Don't check
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.ASAN_MARK calls.
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--- gcc/gimple-ssa-warn-access.cc.jj 2022-01-16 20:55:46.783932110 +0100
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+++ gcc/gimple-ssa-warn-access.cc 2022-01-18 20:56:13.697780325 +0100
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@@ -4232,6 +4232,11 @@ pass_waccess::check_call (gcall *stmt)
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if (gimple_call_builtin_p (stmt, BUILT_IN_NORMAL))
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check_builtin (stmt);
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+ /* .ASAN_MARK doesn't access any vars, only modifies shadow memory. */
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+ if (gimple_call_internal_p (stmt)
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+ && gimple_call_internal_fn (stmt) == IFN_ASAN_MARK)
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+ return;
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+
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if (!m_early_checks_p)
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if (tree callee = gimple_call_fndecl (stmt))
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{
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